UI: add missing override identifiers (#21081)

selfdrive/ui/qt/offroad/settings.h

@@ -48,8 +48,8 @@ public:
   explicit SettingsWindow(QWidget *parent = 0) : QFrame(parent) {};
 
 protected:
-  void hideEvent(QHideEvent *event);
-  void showEvent(QShowEvent *event);
+  void hideEvent(QHideEvent *event) override;
+  void showEvent(QShowEvent *event) override;
 
 signals:
   void closeSettings();

selfdrive/ui/qt/widgets/controls.h

@@ -24,7 +24,7 @@ signals:
 
 protected:
   AbstractControl(const QString &title, const QString &desc = "", const QString &icon = "", QWidget *parent = nullptr);
-  void hideEvent(QHideEvent *e);
+  void hideEvent(QHideEvent *e) override;
 
   QSize minimumSizeHint() const override {
     QSize size = QFrame::minimumSizeHint();

selfdrive/ui/qt/widgets/scrollview.h

@@ -9,5 +9,5 @@ class ScrollView : public QScrollArea {
 public:
   explicit ScrollView(QWidget *w = nullptr, QWidget *parent = nullptr);
 protected:
-  void hideEvent(QHideEvent *e);
+  void hideEvent(QHideEvent *e) override;
 };

selfdrive/ui/qt/widgets/setup.h

@@ -16,7 +16,7 @@ public:
 private:
   QLabel* qrCode;
   void updateQrCode(QString text);
-  void showEvent(QShowEvent *event);
+  void showEvent(QShowEvent *event) override;
 
 private slots:
   void refresh();